Display screen or portion thereof with graphical user interface



The FIGURE is a front view of a display screen or portion thereof with graphical user interface showing the new design.

The display screen or portion thereof with graphical user interface may be applied to a user interface with a leaderboard for a user participation in an exercise class that may include exercise equipment.

The outermost broken line rectangle showing the display screen or portion thereof, and all other broken lines showing portions of the graphical user interface, illustrate portions of the article and form no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 